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What descriptive words would best portray the tone "In light of the fact that I couldn't stop for Death?"
If i have 5.00g of Mg(OH)2, what volume of 0.1234 M HCL would I require to completely neutralize the magnesium hydroxide
Question- A chemist with 4.0 moles of H2 and 4.0 moles of O2 in a 200.0 L container, and runs the combustion reaction very slowly. After 10.0 seconds there is 3.0 moles of H2. a) Write the balanced chemical reaction.
What is the freezing point of a solution of 5.00 g of benzophenone (C13H10O) in 100 mL of benzene (benzene density = .887 b/mL). Pure benzene has a melting point of 5.50 C and the Kf of benzene is 5.12 C/m
Calculate the pH of a buffer made with 0.50M phosphoric acid and 0.75M sodium dihydrogenphosphate. Ka = 7.5 x 10-3.
What must be the initial concentration of reaction, [A]0, if (a) the zero- and first-order; (b) the zero- and second-order; (c) the first- and second-order reactions are to have the same half-life?
Calculate the pH of an aqueous solution prepared to contain 1.3 x 10^-3 M sodium nitrite (NaNO2) if the acid dissociation equilibrium constant, Ka, for nitrous acid (HNO2) is 5.1 x 10^-4.
If a 400 mg sample is assumed to be pure NaCl, calculate the millimeters of 0.1M AgNo3 needed to precipitate it completely
A solution of nacl in water was electrolyzed with a current of 2.50 amps for 15.0 min. How many millimeters of 0.100m hcl would be required to neutralize
Problem- The radioactive decay of a certain sample produced 993 disintegrations per minute. Exactly 5.00 days later, the rate of decay was found to be 265 disintegrations per minute. Calculate the half-life, in days, for the decay of this sample.
determine the ph of an equilibrium aqueous mixture of 1.0 m glycine gly and 0.5 m hcl assuming that pkdnan 9.8 for the
Explain the oxidation reduction happening behind the reaction: 2 NH4NO3 (s) -> 2N2 (g) + O2 (g) + 4H2O (l)
Calculate the pH of a buffer that contains 0.060M ammonium chloride and 0.075M ammonia. The Ka of ammonium is 5.6 x 10^-10.
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